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13502425440000 = 28354717236387
BaseRepresentation
bin1100010001111100011101…
…0001011001111100000000
31202210211010020121100201010
43010133013101121330000
53232210431403040000
644414532325240520
72562342455361510
oct304370721317400
952724106540633
1013502425440000
11433638a176162
121620a3ab63140
1376c37245b393
1434974140b840
151863681b8d50
hexc47c7459f00

13502425440000 has 720 divisors, whose sum is σ = 54340026225408. Its totient is φ = 2904711168000.

The previous prime is 13502425439969. The next prime is 13502425440029. The reversal of 13502425440000 is 4452420531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 13502425440000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 57001807 + ... + 57238193.

Almost surely, 213502425440000 is an apocalyptic number.

13502425440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13502425440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27170013112704).

13502425440000 is an abundant number, since it is smaller than the sum of its proper divisors (40837600785408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13502425440000 is an equidigital number, since it uses as much as digits as its factorization.

13502425440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236450 (or 236421 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 13502425440000 its reverse (4452420531), we get a palindrome (13506877860531).

The spelling of 13502425440000 in words is "thirteen trillion, five hundred two billion, four hundred twenty-five million, four hundred forty thousand".